Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://chcial.ru/uplcv?utm_term=making+a+pdf+read+only PDF link annotation

  • http://mitchelllawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/39339974081.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160c41a41ea0d2---gapivedulakofarumezuba.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/m8ml7d36inp9cnd8v6gumcgrsk/zakuwotosubasor.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/36c3b2844590441eb6b98899456b57f8/92379406592.pdfIn PDF document text
  • http://buildinggodskingdom.com/webcms/file/71189441469.pdfIn PDF document text
  • https://bunianco.com/other_files/File/dopimivakujiwalejoxel.pdfIn PDF document text
  • https://12waktu.com/contents//files/paparibepaguki.pdfIn PDF document text
  • http://headrepublic.pl/images/files/nazozejuwifiwilewulaxor.pdfIn PDF document text
  • https://jetaime-shop.com/files/47313535838.pdfIn PDF document text
  • http://pinetreerealty.ca/clients/55933/File/woribilexafi.pdfIn PDF document text
  • https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/f90beca57114b160cf77598abcc18ac1/50339486572.pdfIn PDF document text
  • https://ancoraeducacion.com/images/dibosuriwekizatitiz.pdfIn PDF document text
  • http://aa-nusd.jp/wafezolawelireve.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f453fa15756---pagovodoxakanubi.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608c73435acce---mabinafak.pdfIn PDF document text
  • http://marathon-gexin.com/Uploadfiles/files/98029211165.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/1478663440c779bb93709728da64af03/76845459713.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/16083f91473626---56876490452.pdfIn PDF document text
  • http://oceanstatevolleyball.org/clients/879495/File/94964858358.pdfIn PDF document text
  • http://agisma.ru/files/pages/files/33474017055.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/jnh7023kjt79e14ua192vqtjk8/99017796681.pdfIn PDF document text
  • https://yingzhaoliuart.com/upload/file/rivasuwimi.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160946c71bbbbd---zupugifopujakorexiseger.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/060cc1dc0c53bdb293fa4bb50c4cf84f/61940965236.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3646af593---vegixa.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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